547660

素因数分解:

$2^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{197}}^1$

素因数の和:345

約数の個数: 24

約数和(自身を含む): 1164240

約数和(自身を除く): 616580

約数列:

[1, 2, 4, 5, 10, 20, 139, 197, 278, 394, 556, 695, 788, 985, 1390, 1970, 2780, 3940, 27383, 54766, 109532, 136915, 273830, 547660]

約数ペア:

[(1, 547660), (2, 273830), (4, 136915), (5, 109532), (10, 54766), (20, 27383), (139, 3940), (197, 2780), (278, 1970), (394, 1390), (556, 985), (695, 788)]